<template>
  <div class="dashboard-container">
    <div class="app-container">
      <!-- 靠右的按钮 -->
      <page-tools>
        <template v-slot:after>
          <el-button type="primary" size="small" @click="addPermission(1,'0')">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table border :data="list" row-key="id" default-expand-all>
        <el-table-column prop="name" label="名称" />
        <el-table-column prop="code" align="center" label="标识" />
        <el-table-column prop="description" align="center" label="描述" />
        <el-table-column align="center" label="操作">
          <template #default="{row}">
            <el-button type="text" @click="addPermission(2,row.id)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>

      </el-table>
      <!-- 放置一个弹层 用来编辑新增节点 -->
      <el-dialog :title="`${showText}权限点`" :visible="showDialog" @close="btnCancel">
        <!-- 表单 -->
        <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
          <el-form-item label="权限名称" prop="name">
            <el-input v-model="formData.name" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限标识" prop="code">
            <el-input v-model="formData.code" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" style="width:90%" />
          </el-form-item>
          <el-form-item label="开启">
            <el-switch
              v-model="formData.enVisible"
              active-value="1"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>
        <el-row slot="footer" type="flex" justify="center">
          <el-col :span="6">
            <el-button size="small" type="primary" @click="btnOK">确定</el-button>
            <el-button size="small" @click="btnCancel">取消</el-button>
          </el-col>
        </el-row>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getPermissionList, delPermission, addPermission, getPermissionDetail, updatePermission } from '@/api/permisson'
import { listToTreeData } from '@/utils'
export default {
  data() {
    return {
      showDialog: false,
      list: [],
      formData: {
        enVisible: '1',
        name: '',
        code: '',
        description: '',
        type: '',
        pid: ''
      },
      rules: {
        name: [
          { required: true, message: '该项不能为空', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '该项不能为空', trigger: 'blur' }
        ]
      }
    }
  },
  computed: {
    showText() {
      return this.formData.id ? '编辑' : '新增'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      // 这些数据是本来应该是上下级树形嵌套
      // 后端给出的数据并非如此
      // 使用之前的函数进行处理
      this.list = listToTreeData(await getPermissionList(), '0')
      console.log(this.list)
      // console.log(res)
    },
    // 点击删除员工
    async delPermission(id) {
      const delconfirm = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // console.log(delconfirm)
      if (delconfirm === 'cancel') return this.$message.info('用户取消删除')
      await delPermission(id)
      this.$message.success('用户成功删除')
      this.getPermissionList()
    },
    // 编辑按钮
    async editPermission(id) {
      // 拿到数据
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    },
    // type为1就是根级2就是子级
    // 添加按钮
    addPermission(type, pid) {
      this.formData.type = type
      this.formData.pid = pid
      this.showDialog = true
    },
    // 点击ok
    btnOK() {
      this.$refs.perForm.validate(async val => {
        if (!val) this.$message.error('表单验证失败')
        const type = this.formData.id ? '编辑' : '新增'
        if (type === '编辑') {
          await updatePermission(this.formData)
        } else {
          await addPermission(this.formData)
        }
        this.$message.success('操作成功')
        // 更新数据
        this.getPermissionList()
        // 关闭弹窗
        this.showDialog = false
      })
    },
    // 取消按钮
    btnCancel() {
      this.formData = {
        enVisible: '',
        name: '',
        code: '',
        description: '',
        type: '',
        pid: ''
      }
      this.$refs.perForm.resetFields()
      this.showDialog = false
    }
  }
}
</script>

<style>

</style>
